A list of possible aggregation chart types
<p>Heikin-Ashi charts are time series charts that resemble candle charts.
Kagi charts appear as vertical bars connected by small horizontal segments at right angles.
<p>Line break charts appear as vertical bars that ascend and descend.
<p>Renko charts appear as a sequence of uniformly sized bars (referred to as ‘bricks’) that connect at their corners.
<p>Range bars appear as a sequence of uniformly sized bars that connect at their corners and sometimes sit adjacent to one another.
<p>Point & figure (sometimes shortened to P&F or PnF) charts appear as alternating columns of X’s and O’s.
A String value of the type